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 Untreated Steel Grating Manufacturer 

Serrated Bar Steel GratingUntreated Steel Grating ManufacturerSteel Grating Stair TreadsQUALITY STANDARDS

GratingStandard

Material Standard

HDGStandard

China

YB/T4001-2007

GB704-88

GB/T13912-92

ANSI/NAAMM

ASTM (A36)

ASTM (A123)

British

BS4592-1995

BS4360 (43A)

BS729

Australia

AS1657-1992

AS3679

AS1650

SPECIFICATIONS

Grade

CN: Q235, Q345, USA: A36, UK: 43A

Certification

CE, GOST, ISO9001, ISO14001, HSE

Bearing bar type

Plain, Serrated (tooth-like), I bar (I section), Serrated-I

Bearing bar size

20X5,25X3,25X4,25X5,30X3,30X4,30X5,32X3,32X5,40X5,50X475X8,100X8mm, etc

Bearing bar pitch

20,25,30,32.5,34.3,40,50,60,62,65mm

Cross bar size

5X5, 6X6, 8X8mm (twisted bar)/5, 6, 8mm ( round bar) and etc

Cross bar pitch

0, 50, 60, 65, 76, 100, 101.6, 120, 130mm, etc.

Panel size

1mx1m3x20ft,3x24ft,3x30ft,5800x1000,6096x1000,6400x1000, as request

Surface

Untreated, hot dip galvanized, cold dip galvanized, painted, powder, electrostatic coating

Color

Silver/Black, painted color as required

Application

petroleum and chemical, port, power, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, electric power plants, oil

SURFACE TREATMENTHot dip galvanized, Untreated, Painting, Electrostatic spraying



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